<template>
  <div class="app-container">
    <!--查询表单-->
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="24">
            <el-form-item label="角色名称">
              <el-input style="width: 100%" v-model="searchObj.roleName" placeholder="角色名称"></el-input>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex">
          <el-button type="primary" icon="el-icon-search" size="mini" :loading="loading" @click="fetchData()">搜索
          </el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
        </el-row>
      </el-form>
    </div>
    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;"
      @selection-change="handleSelectionChange">

      <el-table-column type="selection"/>

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="roleName" label="角色名称"/>
      <el-table-column prop="roleCode" label="角色编码"/>
      <el-table-column prop="createTime" label="创建时间" width="160"/>
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini" @click="edit(scope.row.id)" title="修改"/>
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)" title="删除"/>
          <el-button type="warning" icon="el-icon-baseball" size="mini" @click="showAssignAuth(scope.row)"
                     title="分配权限"/>
        </template>
      </el-table-column>
    </el-table>
    <!-- 工具条 -->
    <div class="tools-div">
      <el-button type="success" icon="el-icon-plus" size="mini" :disabled="$hasBP('bnt.sysRole.add')  === false"
                 @click="add">添 加
      </el-button>
      <el-button class="btn-add" size="mini" @click="batchRemove()">批量删除</el-button>
    </div>
    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />

    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
      <el-form ref="dataForm" :model="sysRole" label-width="150px" size="small" style="padding-right: 40px;">
        <el-form-item label="角色名称">
          <el-input v-model="sysRole.roleName"/>
        </el-form-item>
        <el-form-item label="角色编码">
          <el-input v-model="sysRole.roleCode"/>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
// 引入定义接口js文件
import api from '@/api/system/sysRole'

export default {
    //vue代码结构
    //初始值
  data() {
    return {
      list: [], //角色列表
      page: 1, //当前页
      limit: 3,//每页显示记录数
      total: 0,//总记录数
      searchObj: {},//条件对象

      selections: [],//多个复选框值
      sysRole: {},//封装表单角色数据
      dialogVisible: false//是否弹框
    }
  },
  created() {
    //渲染之前执行
    this.fetchData()
  },
  methods: {
    //操作方法
    //跳转分配菜单页面
    showAssignAuth(row) {
      this.$router.push('/system/assignAuth?id=' + row.id + '&roleName=' + row.roleName)
    },
    //选择复选框，把复选框所在行内容传递
    handleSelectionChange(selection) {
      this.selections = selection
      console.log(this.selections)
    },
    //批量删除
    batchRemove() {
      //判断
      if (this.selections.length == 0) {
        this.$message.warning('请选择要删除的记录！')
        return
      }
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // [1,2,3]
        var idList = []
        //选择复选框数据在数组里面 this.selections
        this.selections.forEach(item => {
          var id = item.id
          idList.push(id)
        })
        return api.batchRemove(idList)
      }).then(response => {
        this.$message.success(response.message)
        this.fetchData()
      })
    },
    //点击修改，弹出框，根据id查询数据显示
    edit(id) {
      //弹出框
      this.dialogVisible = true
      //根据id查询
      this.fetchDataById(id)
    },
    //根据id查询
    fetchDataById(id) {
      api.getById(id)
        .then(response => {
          this.sysRole = response.data
        })
    },
    //点击添加弹出框
    add() {
      this.dialogVisible = true
    },
    //添加或者修改
    saveOrUpdate() {
      //根据id判断
      if (!this.sysRole.id) {//添加
        this.save()
      } else {//修改
        this.update()
      }
    },
    save() { //添加
      api.saveRole(this.sysRole)
        .then(response => {
          //提示
          this.$message.success(response.message || '操作成功')
          //关闭弹框
          this.dialogVisible = false
          //刷新页面
          this.fetchData()
        })
    },
    update() { //修改
      api.updateById(this.sysRole)
        .then(response => {
          //提示
          this.$message.success(response.message || '操作成功')
          //关闭弹框
          this.dialogVisible = false
          //刷新页面
          this.fetchData()
        })
    },
    //条件分页查询
    fetchData(current = 1) {
      this.page = current
      api.getPageList(this.page, this.limit, this.searchObj)
        .then(response => {
          this.list = response.data.records
          this.total = response.data.total
        })
    },
    //删除
    removeDataById(id) {
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        //调用
        return api.removeById(id)
      }).then(response => {
        //刷新页面
        this.fetchData()
        //提示信息
        this.$message.success(response.message || '删除成功')
      })
    }
  }
}
</script>
